Class Mammalia Linnaeus, 1758 - mammals Subclass Theria Parker & Haswell, 1897 Infraclass Metatheria Huxley, 1880 Order Marsupialia Jameson, 1818 - marsupials see Cohort Marsupialia Jameson, 1818 Superfamily Dasyuroidea (Goldfuss, 1820) see Family Dasyuridae Goldfuss, 1820 Family Notoryctidae Ogilby, 1892